Update:

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‎Updated 22nd June 2026

Notice Regarding Businesses and Solid Wall Trades

Suspended Installers - Solid Wall, External Wall, Hybrid & Internal Wall Insulation

The following businesses registered with TrustMark have had all trade codes suspended for any measures relating to Solid Wall Insulation which includes External Wall, Hybrid and Internal Wall Insulation.

Suspension of trade codes should not be taken to imply or suggest misconduct or poor business practice. Suspension of trade codes may be due to an administrative, compliance, financial (such as non-payment of fees) or operational reason or combination of reasons that are or may be capable of resolution.

Businesses listed below are not currently active for these scope of work areas within the TrustMark scheme and these businesses are in the process of having their registration scope reviewed and addressed.

Customers are advised to verify the status of any business and their trade scope directly with TrustMark before proceeding with any agreements or works. TrustMark does not and cannot accept any liability for any assumptions made about a business including its ability to adequately discharge a client retainer, whether or not it is suspended from the TrustMark scheme.

 

Business Name Scheme Provider
ECO POWER BUSINESS LTD BAB
Ecogenius Limited NAPIT
Energies of the Future Limited NAPIT
Energy Fix Limited Simply Certification
Mario Insulation Ltd BAB
Mr Heating Midlands Limited BAB
UMA Network Solutions Ltd T/A Smart Energy Sense NICEIC

 

This list will be updated on a regular basis.

Suspended Installers - Solid Wall Insulation (SWI) Trade Codes

This section displays installers who have been suspended for SWI (Solid Wall Insulation) trade codes. Installers may be suspended for one or multiple SWI trade codes.

All information shown is provided directly to TrustMark by the relevant Certification Bodies.

All updates, including changes to suspension status, are managed by the Certification Bodies to ensure accuracy.

If you have any queries or require clarification about an installer’s suspension or certification status, please contact the Certification Body responsible for their certification.

Business Name

CB

Alternate Energy UK Ltd

NAPIT

Atlas Insulation Ltd

IAA

Cocuun Ltd

NAPIT

Eco Assets Manager Ltd

IAA

Ecoenergy Insulation

IAA

Ecot Marketing Ltd

IAA

Eco Renewable Energy Ltd

NAPIT

Ecofit Solutions Ltd

Simply Certification

Ecogenius Limited

NAPIT

Elanworth Limited

NAPIT

Energies of the Future Limited

NAPIT

Energy Fix Ltd 

Simply Certification

Fastway Construction

IAA

Global Eco Installations Ltd

IAA

Golden Globe Merchants Limited

NAPIT

HR Liverpool Services Ltd

IAA

Infinite Energy Scotland

IAA

Insulation Wall Solution Ltd

NAPIT

Newholme Energy Ltd

IAA

Pro Checks Remedials Ltd

Simply Certification

Prorend Scotland Ltd

NAPIT

Pure Environs Ltd

IAA

Retro Renewables

IAA

Retrospect Group Ltd

IAA

Saviour Energy Solutions Ltd

NAPIT

Saviour Energy 

Simply Certification

Smart Eco Homes Ltd

IAA

TF Energy Ltd

IAA

Whitehouse Insulation Group Limited

IAA

Work Work Ltd 

Simply Certification

Yorkshire Renewable Systems Ltd

Simply Certification

 

This list will be updated on a regular basis.